Stefan Kozlov vs Robert Strombachs — Oeiras 1 CH Qualifying Round 1

Oeiras 1 CH · CHALLENGER · Qualifying Round 1
Stefan Kozlov
USA5
Stefan Kozlov
#317ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWLLWWLW
0 — 0
Sets
Retired
Monday, 19 January 2026
hard
Robert Strombachs
LAT
Robert Strombachs
#452ATP
1294ELO
1287Hard ELO
26 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLWLWLWWL
Kozlov S.
6-3 5-0
Strombachs R.
Kozlov S.
65–
Strombachs R.
30–

Stefan Kozlov advanced when Robert Strombachs retired 6-3 5-0 in the Oeiras 1 CH qualifying round 1.

Head to head

No previous meetings on record.

Serve vs return

This season
Kozlov S.serving83% hold

wins 65% of points on serve vs Strombachs R.

Strombachs R.serving78% hold

wins 62% of points on serve vs Kozlov S.

Serve advantage — Kozlov S.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Kozlov S.Strombachs R.
1st serve in·Slight edge
59%
64%
1st serve points won·Slight edge
68%
74%
2nd serve points won·Even
49%
47%
Service points won·Even
60%
64%
Return points won·Slight edge
41%
34%
Break points saved·Slight edge
56%
67%
Aces / match·Clear edge
2.8
4.3
Double faults / match·Even
3.9
4.0

Averages over each player's completed matches in the selected window (31 vs 12). ATP, WTA & Challenger.

Clutch

Under pressure
Kozlov S.Strombachs R.
Clutch Rating·Dominant
36
2
Break points saved·Clear edge
49
68
Break points won·Clear edge
20
1
Deciding sets·Dominant
85
3
Tiebreaks·Clear edge
30
9

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Kozlov S.
6.8
Slight advantageUmpiry Score
Strombachs R.
5.4
Clear underdogUmpiry Score
Form & Matchup
6.9+121 Hard Elo edge
Surface ELO
3.1Hard Elo 1287
7.1Overall Elo 1429
ELO gap
2.9Overall Elo 1294
5.0No prior meetings
H2H
5.0
6.4
Surface form
5.1
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
6.0
Minutes 14d
6.3
4.0
3-set count
0.0
7.0
Prev. match
9.0
Context
5.0
Defending pts
5.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Freshness

Recent load
Kozlov S.Strombachs R.
Freshness·Dominant
53
89

Kozlov S.: 1 day rest · 4 matches, 106 games (7d) · Strombachs R.: 5 days rest · 2 matches, 35 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Q2
Kozlov S.[5]
Kukushkin M.[7]
6-46-2
Lajal M.[1]
Prihodko O.
6-06-4
Hemery C.[2]
Zink T.[8]
7-56-1
Kasnikowski M.
Andrade A.[3]
6-36-4
Squire H.[4]
Erhard M.[11]
6-17-68
Yevseyev D.
Broady L.[9]
W/O
Q1
Lajal M.[1]
Montes De La Torre I.
7-52-66-4
Yevseyev D.
Shelbayh A.[6]
6-26-0
Broady L.[9]
Rocha F.
6-36-2
Hemery C.[2]
Silva J.
6-16-4
Zink T.[8]
Negritu C.
6-11-66-1
Andrade A.[3]
Domingues J.
6-27-5
Kasnikowski M.
Damas M.[10]
7-646-1
Squire H.[4]
Gadamauri B.
6-786-26-3
Erhard M.[11]
Cacao T.
6-766-46-4
Kukushkin M.[7]
Molleker R.
6-36-1
Prihodko O.
Soriano Barrera A.[12]
6-47-67
Kozlov S.[5]
Strombachs R.
6-35-0